Add a basic template for the blog stream page.

src/context/blog_stream.rs

@@ -19,8 +19,7 @@ pub(crate) struct RenderBlogStream {
     global_settings: GlobalSettings,
     page_header: Option<PageHeader>,
     children: Vec<RenderBlogStreamEntry>,
-    older_link: Option<String>,
-    newer_link: Option<String>,
+    stream_pagination: Option<RenderBlogStreamPagination>,
 }
 
 impl RenderBlogStream {
@@ -64,12 +63,17 @@ impl RenderBlogStream {
             })
             .collect::<Result<Vec<_>, _>>()?;
 
+        let stream_pagination = if older_link.is_some() || newer_link.is_some() {
+            Some(RenderBlogStreamPagination::new(older_link, newer_link)?)
+        } else {
+            None
+        };
+
         Ok(RenderBlogStream {
             global_settings,
             page_header: Some(page_header),
             children,
-            older_link,
-            newer_link,
+            stream_pagination,
         })
     }
 }
@@ -87,7 +91,7 @@ pub(crate) struct RenderBlogStreamEntry {
 }
 
 impl RenderBlogStreamEntry {
-    pub(crate) fn new(
+    fn new(
         config: &Config,
         output_directory: &Path,
         output_file: &Path,
@@ -123,3 +127,21 @@ impl RenderBlogStreamEntry {
         })
     }
 }
+
+#[derive(Debug, Serialize)]
+pub(crate) struct RenderBlogStreamPagination {
+    older_link: Option<String>,
+    newer_link: Option<String>,
+}
+
+impl RenderBlogStreamPagination {
+    fn new(
+        older_link: Option<String>,
+        newer_link: Option<String>,
+    ) -> Result<RenderBlogStreamPagination, CustomError> {
+        Ok(RenderBlogStreamPagination {
+            older_link,
+            newer_link,
+        })
+    }
+}